Street light head



FIG. 1 is a top left rear perspective view of a street light head in accordance with my new design;

FIG. 2 is a front elevation view thereof, the rear elevation view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side elevation view thereof.

The broken lines shown on the drawings depict environment only and form no part of the claimed design. 

The ornamental design for “street light head,” as shown and described. 